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> /6 external oil coolers, When do you need them?
Allan
post May 22 2006, 06:23 PM
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As alot of you know. I finally took the six out for a semi-actual a/x this last weekend. The weather was 85 - 90 degrees with warm winds blowing at 30 - 50 mph.

I made four 2 mile runs and even sat idling between runs and my oil temp never got above 210.

I have a 2.7 conversion with RS pistons, Solex cam, with right at 10 to 1 compression running premium pump gas.

Am I lucky or is this the norm? When is an external cooler needed?
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Dr Evil
post May 22 2006, 07:22 PM
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Your gauge is broken (IMG:style_emoticons/default/tongue.gif)
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Aaron Cox
post May 22 2006, 07:39 PM
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it cant hurt. use a t stat...

and yes... you will find you need one when at button willow in june....
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michel richard
post May 22 2006, 08:00 PM
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I think the quick and dirty answer is that you need them when your HP exceeds something like 170.
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736conver
post May 22 2006, 08:39 PM
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I have a stock 3.2 and have yet to go over 210. No extra cooler. I havent seen any air temps past 80 up here yet, so time will tell.

But like Aaron said it cant hurt.
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Trekkor
post May 22 2006, 09:40 PM
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My personal experience is you will need one if you track the car.


KT
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DanT
post May 22 2006, 09:42 PM
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QUOTE(trekkor @ May 22 2006, 08:40 PM) *

My personal experience is you will need one if you track the car.


KT



Gee, where have I heard that before? (IMG:style_emoticons/default/wink.gif) (IMG:style_emoticons/default/agree.gif)
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turboman808
post May 22 2006, 09:50 PM
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I haven't seen 85-90 yet. Most of the time I wonder when it's gonna warm up. Thing hasn't hit 200 yet. It has a cooler mounted in the back with fans but I haven't turned it on yet. 2.7 motor with 3.2 oil pump.

Yeah when I drove it in traffic the other day it didn't warm up to 180 for 15 minutes.
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campbellcj
post May 22 2006, 09:59 PM
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Street or autocross use is very different from driving at 5000-7000 rpm's for 20-30 minutes. Especially when it's >90F outside.
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Allan
post May 22 2006, 10:02 PM
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QUOTE(michel richard @ May 22 2006, 07:00 PM) *

I think the quick and dirty answer is that you need them when your HP exceeds something like 170.


I'm already over 200...
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Aaron Cox
post May 22 2006, 10:04 PM
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you will find yourself running hot at buttonwillow.....
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